Introduction to the core board:
This 1808 core board is independently developed by Luoshiqi Technology Co., Ltd., onboard RK1808 AI chip, built-in high-efficiency NPU, peak computing power up to 3.0TOPS, rich interfaces, suitable for voice wake-up, face recognition, voice recognition and other functional applications Scenes
Core board appearance:

1808核心板正面

1808 core board back

1808 core board structure and size drawing
Core board parameter configuration:
| Core board system configuration |
| CPU | RK1808 |
| Main frequency | Dual-core A35 (1.6GHz) |
| NPU | 3.0Tops computing power |
| RAM | Standard 2GB, 1GB optional |
| Memory | Standard 8GB, 4GB/16GB optional |
| Power IC | RK809, support dynamic frequency modulation |
| Core board structure attributes |
| Exterior | Stamp hole |
| size | 45mm*45mm |
| Number of pins | 144pin |
| Pin pitch | 1.2mm |
| Layer | 8 floors |
| The electrical characteristics of the core board |
| Input voltage | 5V/2A |
| The output voltage | 3.3V/1.5A |
| Operating temperature | -10~70℃ |
| storage temperature | -10~40℃ |
| Functional interface parameters mainly supported by the core board |
| USB2.0 interface | 1 channel HOST2.0 |
| USB3.0 interface | 1 channel TYPEC3.0, multiplexed with OTG |
| OTG interface | 1 way |
| UART interface | 8 channels, support flow control |
| PWM interface | 11 outputs |
| IIC interface | 6 outputs |
| SPI interface | 3 outputs |
| ADC interface | 4 outputs |
| Camera interface | 1 MIPI output |
| LCD interface | MIPI |
| Touch interface | Capacitive touch |
| audio port | Support headphone speaker output, support recording and playback |
| SD card interface | 2 way |
| emmc interface | Onboard |
| Ethernet interface | Support Gigabit Ethernet |